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10 April 2014

Lake Shore adds 7-inch magnet version of AC/DC Hall measurement system

Lake Shore Cryotronics Inc of Westerville OH, USA, which makes scientific sensors, instruments and systems for measurement and control, says that its new Model 8407 Hall-effect measurement system features a 7-inch magnet for measuring mobilities at the low end of the DC-field measurement range, from 1 to 106cm2/V.s.

Like the existing Model 8404 (which has a 4-inch magnet), the Model 8407  can be also ordered with AC-field measurement capabilities. With AC-field measurement added, the system is capable of measuring materials with extremely low mobilities (down to 10-3/V.s). These can include photovoltaic (solar cell), thermoelectric and organic electronic materials, which have electronic properties that can be difficult to measure with DC-field Hall methods.

Software included with the system enables both van der Pauw and Hall-bar measurements, measuring samples with gated Hall bars to account for gate bias, setting up loops with varying temperatures and gate voltages, performing time loops of measurements for longer unattended operation, and more.

Tags: Lake Shore

Visit: www.lakeshore.com/products/

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